SOLUTION: please help -6qp+5pq+7-4qp-4pq-9..is -10qp+1pq-2 the correct answer

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Question 512370: please help -6qp+5pq+7-4qp-4pq-9..is -10qp+1pq-2 the correct answer
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Note: Because of communtativity, qp is the same as pq.
-6qp+5pq+7-4qp-4pq-9..
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-6qp + 5qp - 4qp -4qp +7 -9
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= -9qp -2
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Cheers,
Stan H.
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